liquid helium的用法和樣例：
例句
- However, materials must be suitable for use at the extremely low temperatures of liquid helium.
材料必須適用于液態(tài)氦的極低的溫度。 - It would not make sense to inject that much power into one point of the grid, and liquid helium is a cumbersome coolant.
在電力網(wǎng)的某個(gè)點(diǎn)，輸入那麼大的電力沒(méi)什麼意義，液態(tài)氦這種冷卻劑也不容易處理。
